Delta airplanes line up on the taxi way after Delta Air Lines’ computer systems crashed on Monday, at Hartsfield Jackson Atlanta International Airport in Atlanta, Georgia

Delta airplanes line up on the taxi way after Delta Air Lines’ computer systems crashed on Monday, grounding flights around the globe, at Hartsfield Jackson Atlanta International Airport in Atlanta, Georgia, U.S. August 8, 2016. REUTERS/Tami Chappell